jsparse
=======
This is a simple library of parser combinators for Javascript based on
Packrat parsers [1] and Parsing expression grammars [2]. 
[1] https://pdos.csail.mit.edu/~baford/packrat/
[2] https://en.wikipedia.org/wiki/Parsing_expression_grammar
The only documentation currently available in these blog entries:
https://www.bluishcoder.co.nz/2007/10/javascript-packrat-parser.html
https://www.bluishcoder.co.nz/2007/10/javascript-parser-combinators.html
Examples:
tests.js
  Various tests to ensure things are working
example1.js
  Simple expression example from wikipedia article on PEGs.
example2.js
  Expression example with actions used to produce AST.
example3.js
  Expression example with actions used to evaluate as it parses.
es3.js 
  Incomplete/work-in-progress ECMAScript 3 parser
es3_tests.js
  Tests for ECMAScript 3 parser
I use it from within the Mozilla Rhino environment but it also works
in the browser.